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Add get_bin command to retrieve binary data without trailing \n #53

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Add get_bin command to retrieve binary data without trailing \n #53

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6 changes: 5 additions & 1 deletion ldb.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ R"(ldb

Usage:
ldb <path> [--create] [--error] [--size] [--nocompress]
ldb <path> (del|get) <key>
ldb <path> (del|get|getbin) <key>
ldb <path> put <key> <value> [--nocompress]
ldb <path> keys [--limit=<n>] [--lower=<lower>] [--upper=<upper>]
ldb (-h | --help)
Expand Down Expand Up @@ -106,6 +106,7 @@ int main(int argc, const char** argv)
if (args["del"].asBool() ||
args["put"].asBool() ||
args["get"].asBool() ||
args["getbin"].asBool() ||
args["keys"].asBool() ||
args["--size"].asBool()) {
interactive = false;
Expand Down Expand Up @@ -145,6 +146,9 @@ int main(int argc, const char** argv)
if (args["get"] && args["get"].asBool()) {
ldb::get_value(args["<key>"].asString());
}
else if (args["getbin"] && args["getbin"].asBool()) {
ldb::get_value_bin(args["<key>"].asString());
}
else if (args["put"] && args["put"].asBool()) {

string key = args["<key>"].asString();
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1 change: 1 addition & 0 deletions ldb.h
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Expand Up @@ -66,6 +66,7 @@ namespace ldb {
void auto_completion(const char *buf, linenoiseCompletions *lc);
void put_value(string key, string value);
void get_value(string key);
void get_value_bin(string key);
void del_value(string key);
void get_size();
void range(string prefix, bool surpress_output);
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13 changes: 13 additions & 0 deletions lib/commands.cc
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Expand Up @@ -42,6 +42,19 @@ void ldb::get_value(string key) {
}
}

void ldb::get_value_bin(string key) {
if (key == "") return;

string value;
leveldb::Status status = db->Get(leveldb::ReadOptions(), key, &value);

if (!status.ok()) {
cerr << "Not Found: [" << COLOR_BLUE << key << COLOR_NONE << "]" << endl;
} else {
cout << value;
}
}

//
//
//
Expand Down